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Posted by tim on 10/03/16 11:48
frizzle wrote:
> tim wrote:
> > frizzle wrote:
> > > Hi Group,
> > >
> > > I have a validation function, to make sure
> > > all chars in a string will create output (including space).
> > >
> > > I use ctype_print() but i get an error with chars like e.g.
> > > Ã «
> > > It returns false instead of true.
> > > is there any alternative, or can i solve this?
> > >
> > > Frizzle.
> >
> > Hi Frizzle
> >
> > I'm not sure but I changing the default_charset with ini_set() or maybe
> > setlocale() should help.
> >
> > Tim
>
> Thanks, but i'm not experienced (yet) with charsets, ini_set, etc. So i
> was hoping
> some kind of preg_match or so to replace ctype_print() with ...
>
> Frizzle,
Ok, if preg_match( '/[^\s\w]/', "teststring" ) returns true then
non-printable characters were found
But it may not work because the manual suggest the \w in preg_match is
limited by the charset and locale settings as well.
If it doesn't work then try ini_set('default_charset',"UTF-8") or put
default_charset=UTF-8 in your php.ini
setlocale() won't really help, it might make a few more characters pass
the ctype_print test but not all of them.
Another option is $okChars = preg_replace_all( /[^\s\w]/, '',
"teststring" ) to remove any chars which aren't whitespace or a word
character from the test string and $okString is left with what preg
recognised as ok.
Tim
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